﻿using System;
using System.Collections.Generic;

class initialisationArray
{
    static void Main()
    {
        try
        {               
            List<int> intList = new List<int>();
            for (int index = 0; index < 20; index++)
            {
                intList.Add(index * 5);
            }
            foreach (var number in intList)
            {                       
                Console.WriteLine(number);                        
            }
        }
        catch (Exception)
        {
            Console.WriteLine("Wrong data!");
            return;
        }
    }
}